SAN FRANCISCO--(BUSINESS WIRE)--Doctor On Demand, the leading Video Telemedicine provider, today announced it has closed a $50 million round of Series B financing. The company will use the funds to continue the rapid expansion of its top rated video telemedicine service, which addresses two massive problems in health care: skyrocketing costs and increasingly limited access to high quality physicians and psychologists. Doctor On Demand’s top-rated service and unique business model is changing th